<?php
/**
* This file includes the FPDF implementation which is used to generate PDF files.
*
* @author Olivier Plathey
* @package PDF
*/

/*******************************************************************************
* Software: FPDF                                                               *
* Version:  1.53                                                               *
* Date:     2004-12-31                                                         *
* Author:   Olivier PLATHEY                                                    *
* License:  Freeware                                                           *
*                                                                              *
* You may use, modify and redistribute this software as you wish.              *
*******************************************************************************/

if(!class_exists('FPDF'))
{
define('FPDF_VERSION','1.53');

/**
 * Main FPDF class for creating PDF documents
 *
 * @package PDF
 */
class FPDF
{
//Private properties
var $page;               //current page number
var $n;                  //current object number
var $offsets;            //array of object offsets
var $buffer;             //buffer holding in-memory PDF
var $pages;              //array containing pages
var $state;              //current document state
var $compress;           //compression flag
var $DefOrientation;     //default orientation
var $CurOrientation;     //current orientation
var $OrientationChanges; //array indicating orientation changes
var $k;                  //scale factor (number of points in user unit)
var $fwPt,$fhPt;         //dimensions of page format in points
var $fw,$fh;             //dimensions of page format in user unit
var $wPt,$hPt;           //current dimensions of page in points
var $w,$h;               //current dimensions of page in user unit
var $lMargin;            //left margin
var $tMargin;            //top margin
var $rMargin;            //right margin
var $bMargin;            //page break margin
var $cMargin;            //cell margin
var $x,$y;               //current position in user unit for cell positioning
var $lasth;              //height of last cell printed
var $LineWidth;          //line width in user unit
var $CoreFonts;          //array of standard font names
var $fonts;              //array of used fonts
var $FontFiles;          //array of font files
var $diffs;              //array of encoding differences
var $images;             //array of used images
var $PageLinks;          //array of links in pages
var $links;              //array of internal links
var $FontFamily;         //current font family
var $FontStyle;          //current font style
var $underline;          //underlining flag
var $CurrentFont;        //current font info
var $FontSizePt;         //current font size in points
var $FontSize;           //current font size in user unit
var $DrawColor;          //commands for drawing color
var $FillColor;          //commands for filling color
var $TextColor;          //commands for text color
var $ColorFlag;          //indicates whether fill and text colors are different
var $ws;                 //word spacing
var $AutoPageBreak;      //automatic page breaking
var $PageBreakTrigger;   //threshold used to trigger page breaks
var $InFooter;           //flag set when processing footer
var $ZoomMode;           //zoom display mode
var $LayoutMode;         //layout display mode
var $title;              //title
var $subject;            //subject
var $author;             //author
var $keywords;           //keywords
var $creator;            //creator
var $AliasNbPages;       //alias for total number of pages
var $PDFVersion;         //PDF version number

/*******************************************************************************
*                                                                              *
*                               Public methods                                 *
*                                                                              *
*******************************************************************************/
function FPDF($orientation='P',$unit='mm',$format='A4')
{
 //Some checks
 $this->_dochecks();
 //Initialization of properties
 $this->page=0;
 $this->n=2;
 $this->buffer='';
 $this->pages=array();
 $this->OrientationChanges=array();
 $this->state=0;
 $this->fonts=array();
 $this->FontFiles=array();
 $this->diffs=array();
 $this->images=array();
 $this->links=array();
 $this->InFooter=false;
 $this->lasth=0;
 $this->FontFamily='';
 $this->FontStyle='';
 $this->FontSizePt=12;
 $this->underline=false;
 $this->DrawColor='0 G';
 $this->FillColor='0 g';
 $this->TextColor='0 g';
 $this->ColorFlag=false;
 $this->ws=0;
 //Standard fonts
 $this->CoreFonts=array('courier'=>'Courier','courierB'=>'Courier-Bold','courierI'=>'Courier-Oblique','courierBI'=>'Courier-BoldOblique',
 'helvetica'=>'Helvetica','helveticaB'=>'Helvetica-Bold','helveticaI'=>'Helvetica-Oblique','helveticaBI'=>'Helvetica-BoldOblique',
 'times'=>'Times-Roman','timesB'=>'Times-Bold','timesI'=>'Times-Italic','timesBI'=>'Times-BoldItalic',
 'symbol'=>'Symbol','zapfdingbats'=>'ZapfDingbats');
 //Scale factor
 if($unit=='pt')
 $this->k=1;
 elseif($unit=='mm')
 $this->k=72/25.4;
 elseif($unit=='cm')
 $this->k=72/2.54;
 elseif($unit=='in')
 $this->k=72;
 else
 $this->Error('Incorrect unit: '.$unit);
 //Page format
 if(is_string($format))
 {
 $format=strtolower($format);
 if($format=='a3')
 $format=array(841.89,1190.55);
 elseif($format=='a4')
 $format=array(595.28,841.89);
 elseif($format=='a5')
 $format=array(420.94,595.28);
 elseif($format=='letter')
 $format=array(612,792);
 elseif($format=='legal')
 $format=array(612,1008);
 else
 $this->Error('Unknown page format: '.$format);
 $this->fwPt=$format[0];
 $this->fhPt=$format[1];
 }
 else
 {
 $this->fwPt=$format[0]*$this->k;
 $this->fhPt=$format[1]*$this->k;
 }
 $this->fw=$this->fwPt/$this->k;
 $this->fh=$this->fhPt/$this->k;
 //Page orientation
 $orientation=strtolower($orientation);
 if($orientation=='p' || $orientation=='portrait')
 {
 $this->DefOrientation='P';
 $this->wPt=$this->fwPt;
 $this->hPt=$this->fhPt;
 }
 elseif($orientation=='l' || $orientation=='landscape')
 {
 $this->DefOrientation='L';
 $this->wPt=$this->fhPt;
 $this->hPt=$this->fwPt;
 }
 else
 $this->Error('Incorrect orientation: '.$orientation);
 $this->CurOrientation=$this->DefOrientation;
 $this->w=$this->wPt/$this->k;
 $this->h=$this->hPt/$this->k;
 //Page margins (1 cm)
 $margin=28.35/$this->k;
 $this->SetMargins($margin,$margin);
 //Interior cell margin (1 mm)
 $this->cMargin=$margin/10;
 //Line width (0.2 mm)
 $this->LineWidth=.567/$this->k;
 //Automatic page break
 $this->SetAutoPageBreak(true,2*$margin);
 //Full width display mode
 $this->SetDisplayMode('fullwidth');
 //Enable compression
 $this->SetCompression(true);
 //Set default PDF version number
 $this->PDFVersion='1.3';
}

function SetMargins($left,$top,$right=-1)
{
 //Set left, top and right margins
 $this->lMargin=$left;
 $this->tMargin=$top;
 if($right==-1)
 $right=$left;
 $this->rMargin=$right;
}

function SetLeftMargin($margin)
{
 //Set left margin
 $this->lMargin=$margin;
 if($this->page>0 &amp;&amp; $this->x<$margin)
 $this->x=$margin;
}

function SetTopMargin($margin)
{
 //Set top margin
 $this->tMargin=$margin;
}

function SetRightMargin($margin)
{
 //Set right margin
 $this->rMargin=$margin;
}

function SetAutoPageBreak($auto,$margin=0)
{
 //Set auto page break mode and triggering margin
 $this->AutoPageBreak=$auto;
 $this->bMargin=$margin;
 $this->PageBreakTrigger=$this->h-$margin;
}

function SetDisplayMode($zoom,$layout='continuous')
{
 //Set display mode in viewer
 if($zoom=='fullpage' || $zoom=='fullwidth' || $zoom=='real' || $zoom=='default' || !is_string($zoom))
 $this->ZoomMode=$zoom;
 else
 $this->Error('Incorrect zoom display mode: '.$zoom);
 if($layout=='single' || $layout=='continuous' || $layout=='two' || $layout=='default')
 $this->LayoutMode=$layout;
 else
 $this->Error('Incorrect layout display mode: '.$layout);
}

function SetCompression($compress)
{
 //Set page compression
 if(function_exists('gzcompress'))
 $this->compress=$compress;
 else
 $this->compress=false;
}

function SetTitle($title)
{
 //Title of document
 $this->title=$title;
}

function SetSubject($subject)
{
 //Subject of document
 $this->subject=$subject;
}

function SetAuthor($author)
{
 //Author of document
 $this->author=$author;
}

function SetKeywords($keywords)
{
 //Keywords of document
 $this->keywords=$keywords;
}

function SetCreator($creator)
{
 //Creator of document
 $this->creator=$creator;
}

function AliasNbPages($alias='{nb}')
{
 //Define an alias for total number of pages
 $this->AliasNbPages=$alias;
}

function Error($msg)
{
 //Fatal error
 die('<B>FPDF error: </B>'.$msg);
}

function Open()
{
 //Begin document
 $this->state=1;
}

function Close()
{
 //Terminate document
 if($this->state==3)
 return;
 if($this->page==0)
 $this->AddPage();
 //Page footer
 $this->InFooter=true;
 $this->Footer();
 $this->InFooter=false;
 //Close page
 $this->_endpage();
 //Close document
 $this->_enddoc();
}

function AddPage($orientation='')
{
 //Start a new page
 if($this->state==0)
 $this->Open();
 $family=$this->FontFamily;
 $style=$this->FontStyle.($this->underline ? 'U' : '');
 $size=$this->FontSizePt;
 $lw=$this->LineWidth;
 $dc=$this->DrawColor;
 $fc=$this->FillColor;
 $tc=$this->TextColor;
 $cf=$this->ColorFlag;
 if($this->page>0)
 {
 //Page footer
 $this->InFooter=true;
 $this->Footer();
 $this->InFooter=false;
 //Close page
 $this->_endpage();
 }
 //Start new page
 $this->_beginpage($orientation);
 //Set line cap style to square
 $this->_out('2 J');
 //Set line width
 $this->LineWidth=$lw;
 $this->_out(sprintf('%.2f w',$lw*$this->k));
 //Set font
 if($family)
 $this->SetFont($family,$style,$size);
 //Set colors
 $this->DrawColor=$dc;
 if($dc!='0 G')
 $this->_out($dc);
 $this->FillColor=$fc;
 if($fc!='0 g')
 $this->_out($fc);
 $this->TextColor=$tc;
 $this->ColorFlag=$cf;
 //Page header
 $this->Header();
 //Restore line width
 if($this->LineWidth!=$lw)
 {
 $this->LineWidth=$lw;
 $this->_out(sprintf('%.2f w',$lw*$this->k));
 }
 //Restore font
 if($family)
 $this->SetFont($family,$style,$size);
 //Restore colors
 if($this->DrawColor!=$dc)
 {
 $this->DrawColor=$dc;
 $this->_out($dc);
 }
 if($this->FillColor!=$fc)
 {
 $this->FillColor=$fc;
 $this->_out($fc);
 }
 $this->TextColor=$tc;
 $this->ColorFlag=$cf;
}

function Header()
{
 //To be implemented in your own inherited class
}

function Footer()
{
 //To be implemented in your own inherited class
}

function PageNo()
{
 //Get current page number
 return $this->page;
}

function SetDrawColor($r,$g=-1,$b=-1)
{
 //Set color for all stroking operations
 if(($r==0 &amp;&amp; $g==0 &amp;&amp; $b==0) || $g==-1)
 $this->DrawColor=sprintf('%.3f G',$r/255);
 else
 $this->DrawColor=sprintf('%.3f %.3f %.3f RG',$r/255,$g/255,$b/255);
 if($this->page>0)
 $this->_out($this->DrawColor);
}

function SetFillColor($r,$g=-1,$b=-1)
{
 //Set color for all filling operations
 if(($r==0 &amp;&amp; $g==0 &amp;&amp; $b==0) || $g==-1)
 $this->FillColor=sprintf('%.3f g',$r/255);
 else
 $this->FillColor=sprintf('%.3f %.3f %.3f rg',$r/255,$g/255,$b/255);
 $this->ColorFlag=($this->FillColor!=$this->TextColor);
 if($this->page>0)
 $this->_out($this->FillColor);
}

function SetTextColor($r,$g=-1,$b=-1)
{
 //Set color for text
 if(($r==0 &amp;&amp; $g==0 &amp;&amp; $b==0) || $g==-1)
 $this->TextColor=sprintf('%.3f g',$r/255);
 else
 $this->TextColor=sprintf('%.3f %.3f %.3f rg',$r/255,$g/255,$b/255);
 $this->ColorFlag=($this->FillColor!=$this->TextColor);
}

function GetStringWidth($s)
{
 //Get width of a string in the current font
 $s=(string)$s;
 $cw=&amp;$this->CurrentFont['cw'];
 $w=0;
 $l=strlen($s);
 for($i=0;$i<$l;$i++)
 $w+=$cw[$s{$i}];
 return $w*$this->FontSize/1000;
}

function SetLineWidth($width)
{
 //Set line width
 $this->LineWidth=$width;
 if($this->page>0)
 $this->_out(sprintf('%.2f w',$width*$this->k));
}

function Line($x1,$y1,$x2,$y2)
{
 //Draw a line
 $this->_out(sprintf('%.2f %.2f m %.2f %.2f l S',$x1*$this->k,($this->h-$y1)*$this->k,$x2*$this->k,($this->h-$y2)*$this->k));
}

function Rect($x,$y,$w,$h,$style='')
{
 //Draw a rectangle
 if($style=='F')
 $op='f';
 elseif($style=='FD' || $style=='DF')
 $op='B';
 else
 $op='S';
 $this->_out(sprintf('%.2f %.2f %.2f %.2f re %s',$x*$this->k,($this->h-$y)*$this->k,$w*$this->k,-$h*$this->k,$op));
}

function AddFont($family,$style='',$file='')
{
 //Add a TrueType or Type1 font
 $family=strtolower($family);
 if($file=='')
 $file=str_replace(' ','',$family).strtolower($style).'.php';
 if($family=='arial')
 $family='helvetica';
 $style=strtoupper($style);
 if($style=='IB')
 $style='BI';
 $fontkey=$family.$style;
 if(isset($this->fonts[$fontkey]))
 $this->Error('Font already added: '.$family.' '.$style);
 include($this->_getfontpath().$file);
 if(!isset($name))
 $this->Error('Could not include font definition file');
 $i=count($this->fonts)+1;
 $this->fonts[$fontkey]=array('i'=>$i,'type'=>$type,'name'=>$name,'desc'=>$desc,'up'=>$up,'ut'=>$ut,'cw'=>$cw,'enc'=>$enc,'file'=>$file);
 if($diff)
 {
 //Search existing encodings
 $d=0;
 $nb=count($this->diffs);
 for($i=1;$i<=$nb;$i++)
 {
 if($this->diffs[$i]==$diff)
 {
 $d=$i;
 break;
 }
 }
 if($d==0)
 {
 $d=$nb+1;
 $this->diffs[$d]=$diff;
 }
 $this->fonts[$fontkey]['diff']=$d;
 }
 if($file)
 {
 if($type=='TrueType')
 $this->FontFiles[$file]=array('length1'=>$originalsize);
 else
 $this->FontFiles[$file]=array('length1'=>$size1,'length2'=>$size2);
 }
}

function SetFont($family,$style='',$size=0)
{
 //Select a font; size given in points
 global $fpdf_charwidths;

 $family=strtolower($family);
 if($family=='')
 $family=$this->FontFamily;
 if($family=='arial')
 $family='helvetica';
 elseif($family=='symbol' || $family=='zapfdingbats')
 $style='';
 $style=strtoupper($style);
 if(strpos($style,'U')!==false)
 {
 $this->underline=true;
 $style=str_replace('U','',$style);
 }
 else
 $this->underline=false;
 if($style=='IB')
 $style='BI';
 if($size==0)
 $size=$this->FontSizePt;
 //Test if font is already selected
 if($this->FontFamily==$family &amp;&amp; $this->FontStyle==$style &amp;&amp; $this->FontSizePt==$size)
 return;
 //Test if used for the first time
 $fontkey=$family.$style;
 if(!isset($this->fonts[$fontkey]))
 {
 //Check if one of the standard fonts
 if(isset($this->CoreFonts[$fontkey]))
 {
 if(!isset($fpdf_charwidths[$fontkey]))
 {
 //Load metric file
 $file=$family;
 if($family=='times' || $family=='helvetica')
 $file.=strtolower($style);
 include($this->_getfontpath().$file.'.php');
 if(!isset($fpdf_charwidths[$fontkey]))
 $this->Error('Could not include font metric file');
 }
 $i=count($this->fonts)+1;
 $this->fonts[$fontkey]=array('i'=>$i,'type'=>'core','name'=>$this->CoreFonts[$fontkey],'up'=>-100,'ut'=>50,'cw'=>$fpdf_charwidths[$fontkey]);
 }
 else
 $this->Error('Undefined font: '.$family.' '.$style);
 }
 //Select it
 $this->FontFamily=$family;
 $this->FontStyle=$style;
 $this->FontSizePt=$size;
 $this->FontSize=$size/$this->k;
 $this->CurrentFont=&amp;$this->fonts[$fontkey];
 if($this->page>0)
 $this->_out(sprintf('BT /F%d %.2f Tf ET',$this->CurrentFont['i'],$this->FontSizePt));
}

function SetFontSize($size)
{
 //Set font size in points
 if($this->FontSizePt==$size)
 return;
 $this->FontSizePt=$size;
 $this->FontSize=$size/$this->k;
 if($this->page>0)
 $this->_out(sprintf('BT /F%d %.2f Tf ET',$this->CurrentFont['i'],$this->FontSizePt));
}

function AddLink()
{
 //Create a new internal link
 $n=count($this->links)+1;
 $this->links[$n]=array(0,0);
 return $n;
}

function SetLink($link,$y=0,$page=-1)
{
 //Set destination of internal link
 if($y==-1)
 $y=$this->y;
 if($page==-1)
 $page=$this->page;
 $this->links[$link]=array($page,$y);
}

function Link($x,$y,$w,$h,$link)
{
 //Put a link on the page
 $this->PageLinks[$this->page][]=array($x*$this->k,$this->hPt-$y*$this->k,$w*$this->k,$h*$this->k,$link);
}

function Text($x,$y,$txt)
{
 //Output a string
 $s=sprintf('BT %.2f %.2f Td (%s) Tj ET',$x*$this->k,($this->h-$y)*$this->k,$this->_escape($txt));
 if($this->underline &amp;&amp; $txt!='')
 $s.=' '.$this->_dounderline($x,$y,$txt);
 if($this->ColorFlag)
 $s='q '.$this->TextColor.' '.$s.' Q';
 $this->_out($s);
}

function AcceptPageBreak()
{
 //Accept automatic page break or not
 return $this->AutoPageBreak;
}

function Cell($w,$h=0,$txt='',$border=0,$ln=0,$align='',$fill=0,$link='')
{
 //Output a cell
 $k=$this->k;
 if($this->y+$h>$this->PageBreakTrigger &amp;&amp; !$this->InFooter &amp;&amp; $this->AcceptPageBreak())
 {
 //Automatic page break
 $x=$this->x;
 $ws=$this->ws;
 if($ws>0)
 {
 $this->ws=0;
 $this->_out('0 Tw');
 }
 $this->AddPage($this->CurOrientation);
 $this->x=$x;
 if($ws>0)
 {
 $this->ws=$ws;
 $this->_out(sprintf('%.3f Tw',$ws*$k));
 }
 }
 if($w==0)
 $w=$this->w-$this->rMargin-$this->x;
 $s='';
 if($fill==1 || $border==1)
 {
 if($fill==1)
 $op=($border==1) ? 'B' : 'f';
 else
 $op='S';
 $s=sprintf('%.2f %.2f %.2f %.2f re %s ',$this->x*$k,($this->h-$this->y)*$k,$w*$k,-$h*$k,$op);
 }
 if(is_string($border))
 {
 $x=$this->x;
 $y=$this->y;
 if(strpos($border,'L')!==false)
 $s.=sprintf('%.2f %.2f m %.2f %.2f l S ',$x*$k,($this->h-$y)*$k,$x*$k,($this->h-($y+$h))*$k);
 if(strpos($border,'T')!==false)
 $s.=sprintf('%.2f %.2f m %.2f %.2f l S ',$x*$k,($this->h-$y)*$k,($x+$w)*$k,($this->h-$y)*$k);
 if(strpos($border,'R')!==false)
 $s.=sprintf('%.2f %.2f m %.2f %.2f l S ',($x+$w)*$k,($this->h-$y)*$k,($x+$w)*$k,($this->h-($y+$h))*$k);
 if(strpos($border,'B')!==false)
 $s.=sprintf('%.2f %.2f m %.2f %.2f l S ',$x*$k,($this->h-($y+$h))*$k,($x+$w)*$k,($this->h-($y+$h))*$k);
 }
 if($txt!=='')
 {
 if($align=='R')
 $dx=$w-$this->cMargin-$this->GetStringWidth($txt);
 elseif($align=='C')
 $dx=($w-$this->GetStringWidth($txt))/2;
 else
 $dx=$this->cMargin;
 if($this->ColorFlag)
 $s.='q '.$this->TextColor.' ';
 $txt2=str_replace(')','\\)',str_replace('(','\\(',str_replace('\','\\\',$txt)));
 $s.=sprintf('BT %.2f %.2f Td (%s) Tj ET',($this->x+$dx)*$k,($this->h-($this->y+.5*$h+.3*$this->FontSize))*$k,$txt2);
 if($this->underline)
 $s.=' '.$this->_dounderline($this->x+$dx,$this->y+.5*$h+.3*$this->FontSize,$txt);
 if($this->ColorFlag)
 $s.=' Q';
 if($link)
 $this->Link($this->x+$dx,$this->y+.5*$h-.5*$this->FontSize,$this->GetStringWidth($txt),$this->FontSize,$link);
 }
 if($s)
 $this->_out($s);
 $this->lasth=$h;
 if($ln>0)
 {
 //Go to next line
 $this->y+=$h;
 if($ln==1)
 $this->x=$this->lMargin;
 }
 else
 $this->x+=$w;
}

function MultiCell($w,$h,$txt,$border=0,$align='J',$fill=0)
{
 //Output text with automatic or explicit line breaks
 $cw=&amp;$this->CurrentFont['cw'];
 if($w==0)
 $w=$this->w-$this->rMargin-$this->x;
 $wmax=($w-2*$this->cMargin)*1000/$this->FontSize;
 $s=str_replace("\r",'',$txt);
 $nb=strlen($s);
 if($nb>0 &amp;&amp; $s[$nb-1]=="\n")
 $nb--;
 $b=0;
 if($border)
 {
 if($border==1)
 {
 $border='LTRB';
 $b='LRT';
 $b2='LR';
 }
 else
 {
 $b2='';
 if(strpos($border,'L')!==false)
 $b2.='L';
 if(strpos($border,'R')!==false)
 $b2.='R';
 $b=(strpos($border,'T')!==false) ? $b2.'T' : $b2;
 }
 }
 $sep=-1;
 $i=0;
 $j=0;
 $l=0;
 $ns=0;
 $nl=1;
 while($i<$nb)
 {
 //Get next character
 $c=$s{$i};
 if($c=="\n")
 {
 //Explicit line break
 if($this->ws>0)
 {
 $this->ws=0;
 $this->_out('0 Tw');
 }
 $this->Cell($w,$h,substr($s,$j,$i-$j),$b,2,$align,$fill);
 $i++;
 $sep=-1;
 $j=$i;
 $l=0;
 $ns=0;
 $nl++;
 if($border &amp;&amp; $nl==2)
 $b=$b2;
 continue;
 }
 if($c==' ')
 {
 $sep=$i;
 $ls=$l;
 $ns++;
 }
 $l+=$cw[$c];
 if($l>$wmax)
 {
 //Automatic line break
 if($sep==-1)
 {
 if($i==$j)
 $i++;
 if($this->ws>0)
 {
 $this->ws=0;
 $this->_out('0 Tw');
 }
 $this->Cell($w,$h,substr($s,$j,$i-$j),$b,2,$align,$fill);
 }
 else
 {
 if($align=='J')
 {
 $this->ws=($ns>1) ? ($wmax-$ls)/1000*$this->FontSize/($ns-1) : 0;
 $this->_out(sprintf('%.3f Tw',$this->ws*$this->k));
 }
 $this->Cell($w,$h,substr($s,$j,$sep-$j),$b,2,$align,$fill);
 $i=$sep+1;
 }
 $sep=-1;
 $j=$i;
 $l=0;
 $ns=0;
 $nl++;
 if($border &amp;&amp; $nl==2)
 $b=$b2;
 }
 else
 $i++;
 }
 //Last chunk
 if($this->ws>0)
 {
 $this->ws=0;
 $this->_out('0 Tw');
 }
 if($border &amp;&amp; strpos($border,'B')!==false)
 $b.='B';
 $this->Cell($w,$h,substr($s,$j,$i-$j),$b,2,$align,$fill);
 $this->x=$this->lMargin;
}

function Write($h,$txt,$link='')
{
 //Output text in flowing mode
 $cw=&amp;$this->CurrentFont['cw'];
 $w=$this->w-$this->rMargin-$this->x;
 $wmax=($w-2*$this->cMargin)*1000/$this->FontSize;
 $s=str_replace("\r",'',$txt);
 $nb=strlen($s);
 $sep=-1;
 $i=0;
 $j=0;
 $l=0;
 $nl=1;
 while($i<$nb)
 {
 //Get next character
 $c=$s{$i};
 if($c=="\n")
 {
 //Explicit line break
 $this->Cell($w,$h,substr($s,$j,$i-$j),0,2,'',0,$link);
 $i++;
 $sep=-1;
 $j=$i;
 $l=0;
 if($nl==1)
 {
 $this->x=$this->lMargin;
 $w=$this->w-$this->rMargin-$this->x;
 $wmax=($w-2*$this->cMargin)*1000/$this->FontSize;
 }
 $nl++;
 continue;
 }
 if($c==' ')
 $sep=$i;
 $l+=$cw[$c];
 if($l>$wmax)
 {
 //Automatic line break
 if($sep==-1)
 {
 if($this->x>$this->lMargin)
 {
 //Move to next line
 $this->x=$this->lMargin;
 $this->y+=$h;
 $w=$this->w-$this->rMargin-$this->x;
 $wmax=($w-2*$this->cMargin)*1000/$this->FontSize;
 $i++;
 $nl++;
 continue;
 }
 if($i==$j)
 $i++;
 $this->Cell($w,$h,substr($s,$j,$i-$j),0,2,'',0,$link);
 }
 else
 {
 $this->Cell($w,$h,substr($s,$j,$sep-$j),0,2,'',0,$link);
 $i=$sep+1;
 }
 $sep=-1;
 $j=$i;
 $l=0;
 if($nl==1)
 {
 $this->x=$this->lMargin;
 $w=$this->w-$this->rMargin-$this->x;
 $wmax=($w-2*$this->cMargin)*1000/$this->FontSize;
 }
 $nl++;
 }
 else
 $i++;
 }
 //Last chunk
 if($i!=$j)
 $this->Cell($l/1000*$this->FontSize,$h,substr($s,$j),0,0,'',0,$link);
}

function Image($file,$x,$y,$w=0,$h=0,$type='',$link='')
{
 //Put an image on the page
 if(!isset($this->images[$file]))
 {
 //First use of image, get info
 if($type=='')
 {
 $pos=strrpos($file,'.');
 if(!$pos)
 $this->Error('Image file has no extension and no type was specified: '.$file);
 $type=substr($file,$pos+1);
 }
 $type=strtolower($type);
 $mqr=get_magic_quotes_runtime();
 set_magic_quotes_runtime(0);
 if($type=='jpg' || $type=='jpeg')
 $info=$this->_parsejpg($file);
 elseif($type=='png')
 $info=$this->_parsepng($file);
 else
 {
 //Allow for additional formats
 $mtd='_parse'.$type;
 if(!method_exists($this,$mtd))
 $this->Error('Unsupported image type: '.$type);
 $info=$this->$mtd($file);
 }
 set_magic_quotes_runtime($mqr);
 $info['i']=count($this->images)+1;
 $this->images[$file]=$info;
 }
 else
 $info=$this->images[$file];
 //Automatic width and height calculation if needed
 if($w==0 &amp;&amp; $h==0)
 {
 //Put image at 72 dpi
 $w=$info['w']/$this->k;
 $h=$info['h']/$this->k;
 }
 if($w==0)
 $w=$h*$info['w']/$info['h'];
 if($h==0)
 $h=$w*$info['h']/$info['w'];
 $this->_out(sprintf('q %.2f 0 0 %.2f %.2f %.2f cm /I%d Do Q',$w*$this->k,$h*$this->k,$x*$this->k,($this->h-($y+$h))*$this->k,$info['i']));
 if($link)
 $this->Link($x,$y,$w,$h,$link);
}

function Ln($h='')
{
 //Line feed; default value is last cell height
 $this->x=$this->lMargin;
 if(is_string($h))
 $this->y+=$this->lasth;
 else
 $this->y+=$h;
}

function GetX()
{
 //Get x position
 return $this->x;
}

function SetX($x)
{
 //Set x position
 if($x>=0)
 $this->x=$x;
 else
 $this->x=$this->w+$x;
}

function GetY()
{
 //Get y position
 return $this->y;
}

function SetY($y)
{
 //Set y position and reset x
 $this->x=$this->lMargin;
 if($y>=0)
 $this->y=$y;
 else
 $this->y=$this->h+$y;
}

function SetXY($x,$y)
{
 //Set x and y positions
 $this->SetY($y);
 $this->SetX($x);
}

function Output($name='',$dest='')
{
 //Output PDF to some destination
 //Finish document if necessary
 if($this->state<3)
 $this->Close();
 //Normalize parameters
 if(is_bool($dest))
 $dest=$dest ? 'D' : 'F';
 $dest=strtoupper($dest);
 if($dest=='')
 {
 if($name=='')
 {
 $name='doc.pdf';
 $dest='I';
 }
 else
 $dest='F';
 }
 switch($dest)
 {
 case 'I':
 //Send to standard output
 if(ob_get_contents())
 $this->Error('Some data has already been output, can\'t send PDF file');
 if(php_sapi_name()!='cli')
 {
 //We send to a browser
 header('Content-Type: application/pdf');
 if(headers_sent())
 $this->Error('Some data has already been output to browser, can\'t send PDF file');
 header('Content-Length: '.strlen($this->buffer));
 header('Content-disposition: inline; filename="'.$name.'"');
 }
 echo $this->buffer;
 break;
 case 'D':
 //Download file
 if(ob_get_contents())
 $this->Error('Some data has already been output, can\'t send PDF file');
 if(isset($_SERVER['HTTP_USER_AGENT']) &amp;&amp; strpos($_SERVER['HTTP_USER_AGENT'],'MSIE'))
 header('Content-Type: application/force-download');
 else
 header('Content-Type: application/octet-stream');
 if(headers_sent())
 $this->Error('Some data has already been output to browser, can\'t send PDF file');
 header('Content-Length: '.strlen($this->buffer));
 header('Content-disposition: attachment; filename="'.$name.'"');
 echo $this->buffer;
 break;
 case 'F':
 //Save to local file
 $f=fopen($name,'wb');
 if(!$f)
 $this->Error('Unable to create output file: '.$name);
 fwrite($f,$this->buffer,strlen($this->buffer));
 fclose($f);
 break;
 case 'S':
 //Return as a string
 return $this->buffer;
 default:
 $this->Error('Incorrect output destination: '.$dest);
 }
 return '';
}

/*******************************************************************************
*                                                                              *
*                              Protected methods                               *
*                                                                              *
*******************************************************************************/
function _dochecks()
{
 //Check for locale-related bug
 if(1.1==1)
 $this->Error('Don\'t alter the locale before including class file');
 //Check for decimal separator
 if(sprintf('%.1f',1.0)!='1.0')
 setlocale(LC_NUMERIC,'C');
}

function _getfontpath()
{
 if(!defined('FPDF_FONTPATH') &amp;&amp; is_dir(dirname(__FILE__).'/font'))
 define('FPDF_FONTPATH',dirname(__FILE__).'/font/');
 return defined('FPDF_FONTPATH') ? FPDF_FONTPATH : '';
}

function _putpages()
{
 $nb=$this->page;
 if(!empty($this->AliasNbPages))
 {
 //Replace number of pages
 for($n=1;$n<=$nb;$n++)
 $this->pages[$n]=str_replace($this->AliasNbPages,$nb,$this->pages[$n]);
 }
 if($this->DefOrientation=='P')
 {
 $wPt=$this->fwPt;
 $hPt=$this->fhPt;
 }
 else
 {
 $wPt=$this->fhPt;
 $hPt=$this->fwPt;
 }
 $filter=($this->compress) ? '/Filter /FlateDecode ' : '';
 for($n=1;$n<=$nb;$n++)
 {
 //Page
 $this->_newobj();
 $this->_out('<</Type /Page');
 $this->_out('/Parent 1 0 R');
 if(isset($this->OrientationChanges[$n]))
 $this->_out(sprintf('/MediaBox [0 0 %.2f %.2f]',$hPt,$wPt));
 $this->_out('/Resources 2 0 R');
 if(isset($this->PageLinks[$n]))
 {
 //Links
 $annots='/Annots [';
 foreach($this->PageLinks[$n] as $pl)
 {
 $rect=sprintf('%.2f %.2f %.2f %.2f',$pl[0],$pl[1],$pl[0]+$pl[2],$pl[1]-$pl[3]);
 $annots.='<</Type /Annot /Subtype /Link /Rect ['.$rect.'] /Border [0 0 0] ';
 if(is_string($pl[4]))
 $annots.='/A <</S /URI /URI '.$this->_textstring($pl[4]).'>>>>';
 else
 {
 $l=$this->links[$pl[4]];
 $h=isset($this->OrientationChanges[$l[0]]) ? $wPt : $hPt;
 $annots.=sprintf('/Dest [%d 0 R /XYZ 0 %.2f null]>>',1+2*$l[0],$h-$l[1]*$this->k);
 }
 }
 $this->_out($annots.']');
 }
 $this->_out('/Contents '.($this->n+1).' 0 R>>');
 $this->_out('endobj');
 //Page content
 $p=($this->compress) ? gzcompress($this->pages[$n]) : $this->pages[$n];
 $this->_newobj();
 $this->_out('<<'.$filter.'/Length '.strlen($p).'>>');
 $this->_putstream($p);
 $this->_out('endobj');
 }
 //Pages root
 $this->offsets[1]=strlen($this->buffer);
 $this->_out('1 0 obj');
 $this->_out('<</Type /Pages');
 $kids='/Kids [';
 for($i=0;$i<$nb;$i++)
 $kids.=(3+2*$i).' 0 R ';
 $this->_out($kids.']');
 $this->_out('/Count '.$nb);
 $this->_out(sprintf('/MediaBox [0 0 %.2f %.2f]',$wPt,$hPt));
 $this->_out('>>');
 $this->_out('endobj');
}

function _putfonts()
{
 $nf=$this->n;
 foreach($this->diffs as $diff)
 {
 //Encodings
 $this->_newobj();
 $this->_out('<</Type /Encoding /BaseEncoding /WinAnsiEncoding /Differences ['.$diff.']>>');
 $this->_out('endobj');
 }
 $mqr=get_magic_quotes_runtime();
 set_magic_quotes_runtime(0);
 foreach($this->FontFiles as $file=>$info)
 {
 //Font file embedding
 $this->_newobj();
 $this->FontFiles[$file]['n']=$this->n;
 $font='';
 $f=fopen($this->_getfontpath().$file,'rb',1);
 if(!$f)
 $this->Error('Font file not found');
 while(!feof($f))
 $font.=fread($f,8192);
 fclose($f);
 $compressed=(substr($file,-2)=='.z');
 if(!$compressed &amp;&amp; isset($info['length2']))
 {
 $header=(ord($font{0})==128);
 if($header)
 {
 //Strip first binary header
 $font=substr($font,6);
 }
 if($header &amp;&amp; ord($font{$info['length1']})==128)
 {
 //Strip second binary header
 $font=substr($font,0,$info['length1']).substr($font,$info['length1']+6);
 }
 }
 $this->_out('<</Length '.strlen($font));
 if($compressed)
 $this->_out('/Filter /FlateDecode');
 $this->_out('/Length1 '.$info['length1']);
 if(isset($info['length2']))
 $this->_out('/Length2 '.$info['length2'].' /Length3 0');
 $this->_out('>>');
 $this->_putstream($font);
 $this->_out('endobj');
 }
 set_magic_quotes_runtime($mqr);
 foreach($this->fonts as $k=>$font)
 {
 //Font objects
 $this->fonts[$k]['n']=$this->n+1;
 $type=$font['type'];
 $name=$font['name'];
 if($type=='core')
 {
 //Standard font
 $this->_newobj();
 $this->_out('<</Type /Font');
 $this->_out('/BaseFont /'.$name);
 $this->_out('/Subtype /Type1');
 if($name!='Symbol' &amp;&amp; $name!='ZapfDingbats')
 $this->_out('/Encoding /WinAnsiEncoding');
 $this->_out('>>');
 $this->_out('endobj');
 }
 elseif($type=='Type1' || $type=='TrueType')
 {
 //Additional Type1 or TrueType font
 $this->_newobj();
 $this->_out('<</Type /Font');
 $this->_out('/BaseFont /'.$name);
 $this->_out('/Subtype /'.$type);
 $this->_out('/FirstChar 32 /LastChar 255');
 $this->_out('/Widths '.($this->n+1).' 0 R');
 $this->_out('/FontDescriptor '.($this->n+2).' 0 R');
 if($font['enc'])
 {
 if(isset($font['diff']))
 $this->_out('/Encoding '.($nf+$font['diff']).' 0 R');
 else
 $this->_out('/Encoding /WinAnsiEncoding');
 }
 $this->_out('>>');
 $this->_out('endobj');
 //Widths
 $this->_newobj();
 $cw=&amp;$font['cw'];
 $s='[';
 for($i=32;$i<=255;$i++)
 $s.=$cw[chr($i)].' ';
 $this->_out($s.']');
 $this->_out('endobj');
 //Descriptor
 $this->_newobj();
 $s='<</Type /FontDescriptor /FontName /'.$name;
 foreach($font['desc'] as $k=>$v)
 $s.=' /'.$k.' '.$v;
 $file=$font['file'];
 if($file)
 $s.=' /FontFile'.($type=='Type1' ? '' : '2').' '.$this->FontFiles[$file]['n'].' 0 R';
 $this->_out($s.'>>');
 $this->_out('endobj');
 }
 else
 {
 //Allow for additional types
 $mtd='_put'.strtolower($type);
 if(!method_exists($this,$mtd))
 $this->Error('Unsupported font type: '.$type);
 $this->$mtd($font);
 }
 }
}

function _putimages()
{
 $filter=($this->compress) ? '/Filter /FlateDecode ' : '';
 reset($this->images);
 while(list($file,$info)=each($this->images))
 {
 $this->_newobj();
 $this->images[$file]['n']=$this->n;
 $this->_out('<</Type /XObject');
 $this->_out('/Subtype /Image');
 $this->_out('/Width '.$info['w']);
 $this->_out('/Height '.$info['h']);
 if($info['cs']=='Indexed')
 $this->_out('/ColorSpace [/Indexed /DeviceRGB '.(strlen($info['pal'])/3-1).' '.($this->n+1).' 0 R]');
 else
 {
 $this->_out('/ColorSpace /'.$info['cs']);
 if($info['cs']=='DeviceCMYK')
 $this->_out('/Decode [1 0 1 0 1 0 1 0]');
 }
 $this->_out('/BitsPerComponent '.$info['bpc']);
 if(isset($info['f']))
 $this->_out('/Filter /'.$info['f']);
 if(isset($info['parms']))
 $this->_out($info['parms']);
 if(isset($info['trns']) &amp;&amp; is_array($info['trns']))
 {
 $trns='';
 for($i=0;$i<count($info['trns']);$i++)
 $trns.=$info['trns'][$i].' '.$info['trns'][$i].' ';
 $this->_out('/Mask ['.$trns.']');
 }
 $this->_out('/Length '.strlen($info['data']).'>>');
 $this->_putstream($info['data']);
 unset($this->images[$file]['data']);
 $this->_out('endobj');
 //Palette
 if($info['cs']=='Indexed')
 {
 $this->_newobj();
 $pal=($this->compress) ? gzcompress($info['pal']) : $info['pal'];
 $this->_out('<<'.$filter.'/Length '.strlen($pal).'>>');
 $this->_putstream($pal);
 $this->_out('endobj');
 }
 }
}

function _putxobjectdict()
{
 foreach($this->images as $image)
 $this->_out('/I'.$image['i'].' '.$image['n'].' 0 R');
}

function _putresourcedict()
{
 $this->_out('/ProcSet [/PDF /Text /ImageB /ImageC /ImageI]');
 $this->_out('/Font <<');
 foreach($this->fonts as $font)
 $this->_out('/F'.$font['i'].' '.$font['n'].' 0 R');
 $this->_out('>>');
 $this->_out('/XObject <<');
 $this->_putxobjectdict();
 $this->_out('>>');
}

function _putresources()
{
 $this->_putfonts();
 $this->_putimages();
 //Resource dictionary
 $this->offsets[2]=strlen($this->buffer);
 $this->_out('2 0 obj');
 $this->_out('<<');
 $this->_putresourcedict();
 $this->_out('>>');
 $this->_out('endobj');
}

function _putinfo()
{
 $this->_out('/Producer '.$this->_textstring('FPDF '.FPDF_VERSION));
 if(!empty($this->title))
 $this->_out('/Title '.$this->_textstring($this->title));
 if(!empty($this->subject))
 $this->_out('/Subject '.$this->_textstring($this->subject));
 if(!empty($this->author))
 $this->_out('/Author '.$this->_textstring($this->author));
 if(!empty($this->keywords))
 $this->_out('/Keywords '.$this->_textstring($this->keywords));
 if(!empty($this->creator))
 $this->_out('/Creator '.$this->_textstring($this->creator));
 $this->_out('/CreationDate '.$this->_textstring('D:'.date('YmdHis')));
}

function _putcatalog()
{
 $this->_out('/Type /Catalog');
 $this->_out('/Pages 1 0 R');
 if($this->ZoomMode=='fullpage')
 $this->_out('/OpenAction [3 0 R /Fit]');
 elseif($this->ZoomMode=='fullwidth')
 $this->_out('/OpenAction [3 0 R /FitH null]');
 elseif($this->ZoomMode=='real')
 $this->_out('/OpenAction [3 0 R /XYZ null null 1]');
 elseif(!is_string($this->ZoomMode))
 $this->_out('/OpenAction [3 0 R /XYZ null null '.($this->ZoomMode/100).']');
 if($this->LayoutMode=='single')
 $this->_out('/PageLayout /SinglePage');
 elseif($this->LayoutMode=='continuous')
 $this->_out('/PageLayout /OneColumn');
 elseif($this->LayoutMode=='two')
 $this->_out('/PageLayout /TwoColumnLeft');
}

function _putheader()
{
 $this->_out('%PDF-'.$this->PDFVersion);
}

function _puttrailer()
{
 $this->_out('/Size '.($this->n+1));
 $this->_out('/Root '.$this->n.' 0 R');
 $this->_out('/Info '.($this->n-1).' 0 R');
}

function _enddoc()
{
 $this->_putheader();
 $this->_putpages();
 $this->_putresources();
 //Info
 $this->_newobj();
 $this->_out('<<');
 $this->_putinfo();
 $this->_out('>>');
 $this->_out('endobj');
 //Catalog
 $this->_newobj();
 $this->_out('<<');
 $this->_putcatalog();
 $this->_out('>>');
 $this->_out('endobj');
 //Cross-ref
 $o=strlen($this->buffer);
 $this->_out('xref');
 $this->_out('0 '.($this->n+1));
 $this->_out('0000000000 65535 f ');
 for($i=1;$i<=$this->n;$i++)
 $this->_out(sprintf('%010d 00000 n ',$this->offsets[$i]));
 //Trailer
 $this->_out('trailer');
 $this->_out('<<');
 $this->_puttrailer();
 $this->_out('>>');
 $this->_out('startxref');
 $this->_out($o);
 $this->_out('%%EOF');
 $this->state=3;
}

function _beginpage($orientation)
{
 $this->page++;
 $this->pages[$this->page]='';
 $this->state=2;
 $this->x=$this->lMargin;
 $this->y=$this->tMargin;
 $this->FontFamily='';
 //Page orientation
 if(!$orientation)
 $orientation=$this->DefOrientation;
 else
 {
 $orientation=strtoupper($orientation{0});
 if($orientation!=$this->DefOrientation)
 $this->OrientationChanges[$this->page]=true;
 }
 if($orientation!=$this->CurOrientation)
 {
 //Change orientation
 if($orientation=='P')
 {
 $this->wPt=$this->fwPt;
 $this->hPt=$this->fhPt;
 $this->w=$this->fw;
 $this->h=$this->fh;
 }
 else
 {
 $this->wPt=$this->fhPt;
 $this->hPt=$this->fwPt;
 $this->w=$this->fh;
 $this->h=$this->fw;
 }
 $this->PageBreakTrigger=$this->h-$this->bMargin;
 $this->CurOrientation=$orientation;
 }
}

function _endpage()
{
 //End of page contents
 $this->state=1;
}

function _newobj()
{
 //Begin a new object
 $this->n++;
 $this->offsets[$this->n]=strlen($this->buffer);
 $this->_out($this->n.' 0 obj');
}

function _dounderline($x,$y,$txt)
{
 //Underline text
 $up=$this->CurrentFont['up'];
 $ut=$this->CurrentFont['ut'];
 $w=$this->GetStringWidth($txt)+$this->ws*substr_count($txt,' ');
 return sprintf('%.2f %.2f %.2f %.2f re f',$x*$this->k,($this->h-($y-$up/1000*$this->FontSize))*$this->k,$w*$this->k,-$ut/1000*$this->FontSizePt);
}

function _parsejpg($file)
{
 //Extract info from a JPEG file
 $a=GetImageSize($file);
 if(!$a)
 $this->Error('Missing or incorrect image file: '.$file);
 if($a[2]!=2)
 $this->Error('Not a JPEG file: '.$file);
 if(!isset($a['channels']) || $a['channels']==3)
 $colspace='DeviceRGB';
 elseif($a['channels']==4)
 $colspace='DeviceCMYK';
 else
 $colspace='DeviceGray';
 $bpc=isset($a['bits']) ? $a['bits'] : 8;
 //Read whole file
 $f=fopen($file,'rb');
 $data='';
 while(!feof($f))
 $data.=fread($f,4096);
 fclose($f);
 return array('w'=>$a[0],'h'=>$a[1],'cs'=>$colspace,'bpc'=>$bpc,'f'=>'DCTDecode','data'=>$data);
}

function _parsepng($file)
{
 //Extract info from a PNG file
 $f=fopen($file,'rb');
 if(!$f)
 $this->Error('Can\'t open image file: '.$file);
 //Check signature
 if(fread($f,8)!=chr(137).'PNG'.chr(13).chr(10).chr(26).chr(10))
 $this->Error('Not a PNG file: '.$file);
 //Read header chunk
 fread($f,4);
 if(fread($f,4)!='IHDR')
 $this->Error('Incorrect PNG file: '.$file);
 $w=$this->_freadint($f);
 $h=$this->_freadint($f);
 $bpc=ord(fread($f,1));
 if($bpc>8)
 $this->Error('16-bit depth not supported: '.$file);
 $ct=ord(fread($f,1));
 if($ct==0)
 $colspace='DeviceGray';
 elseif($ct==2)
 $colspace='DeviceRGB';
 elseif($ct==3)
 $colspace='Indexed';
 else
 $this->Error('Alpha channel not supported: '.$file);
 if(ord(fread($f,1))!=0)
 $this->Error('Unknown compression method: '.$file);
 if(ord(fread($f,1))!=0)
 $this->Error('Unknown filter method: '.$file);
 if(ord(fread($f,1))!=0)
 $this->Error('Interlacing not supported: '.$file);
 fread($f,4);
 $parms='/DecodeParms <</Predictor 15 /Colors '.($ct==2 ? 3 : 1).' /BitsPerComponent '.$bpc.' /Columns '.$w.'>>';
 //Scan chunks looking for palette, transparency and image data
 $pal='';
 $trns='';
 $data='';
 do
 {
 $n=$this->_freadint($f);
 $type=fread($f,4);
 if($type=='PLTE')
 {
 //Read palette
 $pal=fread($f,$n);
 fread($f,4);
 }
 elseif($type=='tRNS')
 {
 //Read transparency info
 $t=fread($f,$n);
 if($ct==0)
 $trns=array(ord(substr($t,1,1)));
 elseif($ct==2)
 $trns=array(ord(substr($t,1,1)),ord(substr($t,3,1)),ord(substr($t,5,1)));
 else
 {
 $pos=strpos($t,chr(0));
 if($pos!==false)
 $trns=array($pos);
 }
 fread($f,4);
 }
 elseif($type=='IDAT')
 {
 //Read image data block
 $data.=fread($f,$n);
 fread($f,4);
 }
 elseif($type=='IEND')
 break;
 else
 fread($f,$n+4);
 }
 while($n);
 if($colspace=='Indexed' &amp;&amp; empty($pal))
 $this->Error('Missing palette in '.$file);
 fclose($f);
 return array('w'=>$w,'h'=>$h,'cs'=>$colspace,'bpc'=>$bpc,'f'=>'FlateDecode','parms'=>$parms,'pal'=>$pal,'trns'=>$trns,'data'=>$data);
}

function _freadint($f)
{
 //Read a 4-byte integer from file
 $a=unpack('Ni',fread($f,4));
 return $a['i'];
}

function _textstring($s)
{
 //Format a text string
 return '('.$this->_escape($s).')';
}

function _escape($s)
{
 //Add \ before \, ( and )
 return str_replace(')','\\)',str_replace('(','\\(',str_replace('\','\\\',$s)));
}

function _putstream($s)
{
 $this->_out('stream');
 $this->_out($s);
 $this->_out('endstream');
}

function _out($s)
{
 //Add a line to the document
 if($this->state==2)
 $this->pages[$this->page].=$s."\n";
 else
 $this->buffer.=$s."\n";
}
//End of class
}

//Handle special IE contype request
if(isset($_SERVER['HTTP_USER_AGENT']) &amp;&amp; $_SERVER['HTTP_USER_AGENT']=='contype')
{
 header('Content-Type: application/pdf');
 exit;
}

}
?>

&amp;nbsp;